Vivobarefoot Primus Trail Knit FG Grounding Mens Wood

Made for trail running, the Primus Trail Knit FG is also excellent for fastpacking and hiking. Its low profile and versatility also makes it a popular choice of outdoor lovers wherever they tread. A knit upper and sock bring flexibility and protection. A quick-lace system means easy adjustments. And a thin Firm Ground sole balances barefoot sensation with grip, feeling fast on varied hardpack terrain, building natural strength with every step. Weight Approx. 400g (size dependent) Heel-to-Toe Drop 0mm Stack Height 3mm base + 2.5mm tread depth Midsole No traditional midsole for maximum flexibility and natural movement Outsole Firm Ground outsole with 3mm base and 2.5mm tread depth for grip, traction and ground connection across varied hardpack terrain Upper Vamp knit upper made from 81% RPET, 10% Nylon Hotmelt and 9% Elastane with no-sew TPU overlays for added durability Lining Microfibre lining made from 40% polyester and 60% polyurethane Insole Removable Ortholite® insole with RPET components Closure Quick-lace system with toggle adjustment for easy fit changes Materials Vegan-friendly construction using recycled materials including RPET knit, TPU overlays and synthetic components Best Use Trail running, fastpacking, hiking and outdoor adventures on hardpack terrain